PERHITUNGAN KEBUTUHAN BERAT TULANGAN 1 m3 |
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| Ukuran Beton |
1. |
Berat Tulangan dalam 1 m3 |
| T |
=
m
|
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|
| L |
=
m
|
|
a. Panjang Tulangan |
= 1 m |
| SB |
=
|
|
|
( Lebar x Tinggi ) |
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|
|
= 1 m |
Ukuran Besi |
|
|
m x
m |
| D |
=
|
|
|
= 1 m |
| Jml |
=
bh |
|
|
m |
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|
=
m1 |
| Ukuran Begel/Sengkang |
|
|
|
| D |
=
|
|
b. Total Panjang |
= Panjang Beton x Jumlah Besi |
| JB |
=
Cm |
|
Tulangan |
=
m x
bh |
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|
|
=
m |
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|
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c. Jari2 |
= 1/2 x D |
| T |
= Tinggi |
|
|
= 1/2 x
mm |
| L |
= Lebar |
|
|
=
mm =
m |
| D |
= Diameter |
|
|
|
| Jml |
= Jumlah |
|
d. luas Penampang
|
= 3,14 x r2 |
| JB |
= Jarak Begel |
|
|
= 3,14 x
2 |
| SB |
= Selimut Beton |
|
|
=
m |
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e. Berat Besi |
= Luas diameter x Panjang besi x koefisien besi |
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|
=
m x
m x 7850 kg/m3 |
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|
= kg |
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2 |
Panjang dan berat Besi Begel/Sengkang |
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a. Panjang Begel |
= ((Tinggi - SB ) x 2) + (( lebar - SB) x 2) + (5.D) x 2 |
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|
|
Diameter
|
= (( -
) x 2)+(( -
) x 2)+(5 x
) x 2 |
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|
|
=
Cm +
Cm +
Cm |
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|
|
|
=
m1 |
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b. Jumlah Begel
|
= Panjang Besi + 1 |
|
|
|
Diameter
|
Jarak Begel |
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|
|
|
=
+ 1 |
|
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|
m |
|
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|
=
bh |
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c. Total Panjang
|
= Jumlah Begel x Panjang Besi |
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|
|
Begel |
=
bh
x
m |
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|
|
|
=
m |
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d. Jumlah Batang |
= Total Panjang Begel |
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|
Panjang besi |
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|
=
m |
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|
12 bh |
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|
=
Batang |
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e. Jari2 |
= 1/2 x D |
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|
|
|
= 1/2 x
|
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|
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|
=
m |
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f. luas Diamater |
= 3,14 x r2 |
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|
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|
= 3,14 x
2 |
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|
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|
=
m |
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|
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|
g. Berat Besi |
= Luas diameter x Panjang besi x koefisien besi |
| |
|
|
|
=
m
x
m x 7850 kg/m3 |
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|
|
|
=
kg |
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|
3 |
Total Berat Besi seluruhnya |
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|
Total |
= Berat besi Diameter
+ Berat Besi Diameter
|
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|
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|
=
kg x
kg |
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|
=
kg/m3 |
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m
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m
m |